MCH6605-TL-E Equivalent & Substitute Parts

Part Overview

The MCH6605-TL-E is a dual P-channel MOSFET array manufactured by onsemi, designed for surface mount applications requiring logic level gate drive capability. This component features a 50V drain-to-source voltage rating with 140mA continuous drain current and 800mW maximum power dissipation in a 6-MCPH package configuration.

The MCH6605-TL-E is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Substiute Parts

MCH6605-TL-E

onsemiIn Stock: 946MCH6605-TL-E Datasheet

Current PartRFQ

NDC7003P

onsemiIn Stock: 38130NDC7003P Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MCH6605-TL-E is determined by the following critical parameters:

Configuration Match: Both the main part and substitute must feature a dual P-channel MOSFET array configuration to maintain functional equivalence in circuit applications.

Voltage Rating Compatibility: The substitute part must meet or exceed the 50V drain-to-source voltage requirement of the MCH6605-TL-E. A higher voltage rating provides design margin and backward compatibility.

Current Capability: The substitute must support the continuous drain current requirements of the application. The MCH6605-TL-E specifies 140mA; substitutes with equal or greater current capacity are acceptable.

Gate Drive Characteristics: Logic level gate drive capability must be present in the substitute to ensure compatibility with standard digital control signals.

Package and Mounting: Surface mount technology and pin configuration must be compatible with existing PCB layouts and assembly processes.

Technology and Feature Set: Both parts utilize metal oxide semiconductor technology with logic level gate features, ensuring consistent performance characteristics.

The NDC7003P meets these substitution criteria through its dual P-channel configuration, higher voltage rating (60V), superior current capability (340mA), logic level gate drive, and surface mount SuperSOT-6 package.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The MCH6605-TL-E is classified as obsolete, while the NDC7003P is active. Selection of the NDC7003P ensures access to current manufacturing, ongoing supply chain support, and compliance with contemporary component availability standards.

Compliance and Certification: Both parts maintain REACH Unaffected status and EAR99 export classification, ensuring regulatory consistency. The NDC7003P carries RoHS3 compliance certification, meeting current environmental and hazardous substance restrictions.

Electrical Performance: The NDC7003P provides enhanced electrical characteristics including higher voltage rating (60V versus 50V), superior current handling (340mA versus 140mA), and lower on-resistance (5Ohm versus 22Ohm at rated conditions). These improvements provide design margin and reduced power dissipation in applications.

Temperature Operating Range: The NDC7003P extends the lower operating temperature limit to -55°C, providing broader thermal envelope coverage compared to the MCH6605-TL-E.

Package Compatibility: Physical package differences exist between the 6-MCPH (MCH6605-TL-E) and SuperSOT-6 (NDC7003P) configurations. PCB layout modifications are required for substitution.

Inventory and Supply: The NDC7003P maintains significantly higher inventory levels (38,100 pieces) compared to the MCH6605-TL-E (900 pieces), supporting long-term production requirements and reducing supply chain risk.

Frequently Asked Questions (FAQ)

Q: Can the NDC7003P directly replace the MCH6605-TL-E without circuit modifications?

A: The NDC7003P is functionally equivalent in dual P-channel MOSFET configuration and logic level gate drive capability. However, physical package differences (6-MCPH versus SuperSOT-6) require PCB layout modifications. Electrical performance improvements in the NDC7003P are backward compatible with applications designed for the MCH6605-TL-E.

Q: What are the key electrical advantages of the NDC7003P over the MCH6605-TL-E?

A: The NDC7003P provides three primary electrical improvements: higher drain-to-source voltage rating (60V versus 50V), greater continuous drain current capacity (340mA versus 140mA), and significantly lower on-resistance (5Ohm versus 22Ohm at rated conditions). These characteristics reduce power dissipation and improve thermal performance in switching applications.

Q: Are there package footprint compatibility issues between these parts?

A: Yes. The MCH6605-TL-E uses a 6-MCPH package with flat leads, while the NDC7003P uses a SuperSOT-6 package. These packages have different pin configurations and physical dimensions. PCB redesign is required for substitution, including footprint modification and potential trace routing adjustments.

Q: Does the NDC7003P meet the same regulatory and compliance standards as the MCH6605-TL-E?

A: Both parts maintain REACH Unaffected status and EAR99 export classification. The NDC7003P additionally carries RoHS3 compliance certification. Moisture sensitivity levels are identical (MSL 1, Unlimited) for both components.

Q: Why is the NDC7003P considered a suitable substitute despite being obsolete?

A: The MCH6605-TL-E is the obsolete part. The NDC7003P is active and maintains robust supply chain availability. The NDC7003P is the recommended substitute specifically because of its active product status and superior electrical performance characteristics.

Q: What is the impact of higher input capacitance in the NDC7003P?

A: The NDC7003P exhibits higher input capacitance (66pF @ 25V versus 6.2pF @ 10V in the MCH6605-TL-E). This characteristic may affect gate drive circuit design, particularly in high-frequency switching applications. Gate drive current requirements should be evaluated during circuit redesign.

Q: Are there thermal performance differences between these parts?

A: The NDC7003P features lower on-resistance (5Ohm versus 22Ohm), resulting in reduced power dissipation during conduction. Combined with a slightly lower maximum power rating (700mW versus 800mW), the NDC7003P typically operates at lower junction temperatures in equivalent applications, improving reliability and thermal margin.